ipad restored error 17

https://discussions.apple.com/thread/5484090

iTunes error 17 when upgrading/restoring?

http://social.technet.microsoft.com/Forums/windows/en-US/0a8c0138-8e92-4cb1-8830-ff9464336d62/you-dont-have-permission-to-save-in-this-location?forum=w7itprogeneral

http://support.microsoft.com/kb/972034

1. On the File menu, click Save as, type hosts in the File name box, and then save the file to the desktop.
2. Click Start, click Run, type %WinDir%\System32\Drivers\Etc, and then click OK.
3. Select the Hosts file, and rename it "Hosts.old." 
4. Copy or move the Hosts file that you created in step 3 to the %WinDir%\System32\Drivers\Etc folder. If you are prompted to enter an administrator password, click Continue.

after remove the host file for apply lilne code, it work now, the restored done.